Scenes from World War I, 100 years on

Peter Macdiarmid, Getty Images

Photographer Peter Macdiarmid revisits the battlefields and memorials of the Great War, which began in 1914.

Peter Macdiarmid/Getty Images

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Visitors walk amongst rows of headstones at Tyne Cot Commonwealth War Graves Commission cemetery on March 24, 2014 in Passchendaele, Belgium. Tyne Cot is the largest Commonwealth war cemetery in the world. There are 11,956 Commonwealth servicemen of the First World War buried or commemorated here.

Peter Macdiarmid/Getty Images

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Visitors walk amongst rows of headstones at Tyne Cot Commonwealth War Graves Commission cemetery on March 24, 2014 in Passchendaele, Belgium. Tyne Cot is the largest Commonwealth war cemetery in the world. There are 11,956 Commonwealth servicemen of the First World War buried or commemorated here.